J. Ray Hanna books & textbook
Fourier Series, Transforms, and Boundary Value Problems: Second Edition (Dover Books on Mathematics)
Dover Publications /2008-06-11 Paperback / 368 Pages
isbn-10: 0486466736 / isbn-13: 9780486466736
Fourier series and integrals of boundary value problems (Pure and applied mathematics)
Wiley /1982T Hardcover / 271 Pages
isbn-10: 0471081299 / isbn-13: 9780471081296